PhenylketonuriaPhenylketonuria (PKU) is a genetic disorder in which the body can't process part of a protein called phenylalanine (Phe). Phe is in almost all foods. If the Phe level gets too high, it can damage the brain and cause severe mental retardation. All...

Stomach DisordersThe stomach is an organ between the esophagus and the small intestine. It is where digestion of protein begins. The stomach has three tasks. It stores swallowed food. It mixes the food with stomach acids. Then it sends the mixture on to the small...

ThalassemiaIf you have thalassemia, your body has problems making hemoglobin, the protein in red blood cells that carries oxygen through your body. When your blood does not carry enough oxygen to the rest of your body, you have anemia.